Home / 805,874.02-1,112,187.64-461,755.60

Finding the Fourth Proportional to 805,874.02, 1,112,187.64 and 461,755.60

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Solution

The fourth proportional to 805,874.02, 1,112,187.64 and 461,755.60 is: 637,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,874.02 : 1,112,187.64 = 461,755.60 : x
  2. Step 2: Convert to fraction form
    805,874.02/1,112,187.64 = 461,755.60/x
  3. Step 3: Cross multiply
    805,874.02x = 1,112,187.64 × 461,755.60
  4. Step 4: Simplify right side
    805,874.02x = 513,558,871,020.78
  5. Step 5: Solve for x
    x = 513,558,871,020.78/805,874.02
  6. Step 6: Final answer
    x = 637,269.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.